internal void BringToFront(Placemat placemat)
{
m_Placemats.Remove(placemat);
m_Placemats.AddLast(placemat);
UpdateElementsOrder();
}
internal void SendToBack(Placemat placemat)
{
m_Placemats.Remove(placemat);
m_Placemats.AddFirst(placemat);
UpdateElementsOrder();
}
internal void CyclePlacemat(Placemat placemat, CycleDirection direction)
{
var node = m_Placemats.Find(placemat);
if (node == null)
{
return;
}
var next = direction == CycleDirection.Up ? node.Next : node.Previous;
if (next != null)
{
m_Placemats.Remove(placemat);
if (direction == CycleDirection.Down)
{
m_Placemats.AddBefore(next, node);
}
else
{
m_Placemats.AddAfter(next, node);
}
}
UpdateElementsOrder();
}
void GetElementsToMove(Placemat placemat, HashSet <GraphElement> elementsToMove)
{
var method = typeof(Placemat).GetMethod("GetElementsToMove", BindingFlags.Instance | BindingFlags.NonPublic);
if (method != null)
{
method.Invoke(placemat, new object[] { false, elementsToMove });
}
}
// TODO: Move to local function of Collapse once we move to C# 7.0 or higher.
void RecurseRebuildCollapsedElements_LocalFunc(Placemat currentPlacemat, IList <GraphElement> graphElements,
List <GraphElement> collapsedElementsElsewhere)
{
var currRect = currentPlacemat.ExpandedPosition;
var currentActivePlacematRect = new Rect(
currRect.x + k_SelectRectOffset,
currRect.y + k_SelectRectOffset,
currRect.width - 2 * k_SelectRectOffset,
currRect.height - 2 * k_SelectRectOffset);
foreach (var elem in graphElements)
{
if (elem.layout.Overlaps(currentActivePlacematRect))
{
var placemat = elem as Placemat;
if (placemat != null && placemat.ZOrder > currentPlacemat.ZOrder)
{
if (placemat.Collapsed)
{
foreach (var cge in placemat.CollapsedElements)
{
collapsedElementsElsewhere.Add(cge);
}
}
else
{
RecurseRebuildCollapsedElements_LocalFunc(placemat, graphElements, collapsedElementsElsewhere);
}
}
if (placemat == null || placemat.ZOrder > currentPlacemat.ZOrder)
{
if (elem.resolvedStyle.visibility == Visibility.Visible)
{
m_CollapsedElements.Add(elem);
}
}
}
}
}
public bool GetPortCenterOverride(Port port, out Vector2 overriddenPosition)
{
Node rootNode = port.node;
if (rootNode != null)
{
Node currNode;
while ((currNode = rootNode.GetFirstAncestorOfType <Node>()) != null)
{
rootNode = currNode;
}
//Find the furthest placemat containing the rootNode and that is collapsed (if any)
Placemat placemat = m_Placemats.FirstOrDefault(p => p.Collapsed && p.WillDragNode(rootNode));
if (placemat != null)
{
return(placemat.GetPortCenterOverride(port, out overriddenPosition));
}
}
overriddenPosition = Vector3.zero;
return(false);
}
// TODO: Move to local function of ActOnGraphElementsOver once we move to C# 7.0 or higher.
static bool RecurseActOnGraphElementsOver_LocalFunc(Placemat currentPlacemat, List <GraphElement> graphElements,
Func <GraphElement, bool> act, bool includePlacemats)
{
if (currentPlacemat.Collapsed)
{
foreach (var elem in currentPlacemat.CollapsedElements)
{
var placemat = elem as Placemat;
if (placemat != null && placemat.ZOrder > currentPlacemat.ZOrder)
{
if (RecurseActOnGraphElementsOver_LocalFunc(placemat, graphElements, act, includePlacemats))
{
return(true);
}
}
if (placemat == null || (includePlacemats && placemat.ZOrder > currentPlacemat.ZOrder))
{
if (act(elem))
{
return(true);
}
}
}
}
else
{
var currRect = currentPlacemat.ExpandedPosition;
var currentActivePlacematRect = new Rect(
currRect.x + k_SelectRectOffset,
currRect.y + k_SelectRectOffset,
currRect.width - 2 * k_SelectRectOffset,
currRect.height - 2 * k_SelectRectOffset);
foreach (var elem in graphElements)
{
if (elem.layout.Overlaps(currentActivePlacematRect))
{
var placemat = elem as Placemat;
if (placemat != null && placemat.ZOrder > currentPlacemat.ZOrder)
{
if (RecurseActOnGraphElementsOver_LocalFunc(placemat, graphElements, act, includePlacemats))
{
return(true);
}
}
if (placemat == null || (includePlacemats && placemat.ZOrder > currentPlacemat.ZOrder))
{
if (elem.resolvedStyle.visibility != Visibility.Hidden)
{
if (act(elem))
{
return(true);
}
}
}
}
}
}
return(false);
}
void RemovePlacemat(Placemat placemat)
{
placemat.RemoveFromHierarchy();
m_Placemats.Remove(placemat);
}
void AddPlacemat(Placemat placemat)
{
m_Placemats.AddLast(placemat);
Add(placemat);
}